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Doing a calculation based on the entries made by a user in two seperate form fields - possible?

Thread began 5/13/2015 12:41 pm by Nathon Jones Web Design | Last modified 5/20/2015 4:28 pm by Nathon Jones Web Design | 930 views | 5 replies

Nathon Jones Web Design

Also related to this type of thing, how do you display the validated field OR a default value?

For example, I want to display the validated entry if the form has been submitted and has failed validation on another field or, if it hasn't yet been submitted, a default numerical value. This doesn't work, nor anything else like it that I've tried...

<?php echo(ValidatedField("thankyou_166","formPETS"):"0") ?>

Hope you can help as this is all that's outstanding on a particular page I'm working on.
Thank you.

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